January Weather in Petworth, United Kingdom

Last updated: March 17, 2025

In January, Petworth, United Kingdom, experiences a cool and often damp winter climate. With maximum temperatures reaching 14°C (57°F) and an average of 5°C (42°F), the month presents a mix of chilly days and milder spells. The minimum temperature can dip to -4°C (25°F), highlighting the potential for frosty conditions. Rainfall is moderate, with 52 mm (2.0 in) of precipitation spread over approximately 9 days, contributing to a high humidity level of 91%. This combination of elements creates a distinctive atmosphere, where the crisp air and occasional rain define the serene beauty of Petworth during this winter month.

January Temperature in Petworth

In Petworth, United Kingdom, January heralds the chill of winter, with temperatures ranging from a brisk -4°C (25°F) to a mild 14°C (57°F). This month typically showcases an average of 5°C (42°F), as the town experiences a gradual transition into the cooler months while still benefiting from occasional sunny spells. Notably, as the region progresses into February and March, there’s a slight dip in minimum temperatures, reaching -5°C (23°F) and -6°C (22°F) respectively, yet the maximum readings gently rise, hinting at the imminent arrival of spring. The trend illustrates a gradual warming, leading to more comfortable averages that peak in May and June, illustrating the charming seasonal shift that Petworth experiences. Overall, January offers a captivating glimpse into winter's embrace, setting the stage for the warmth that follows.

January Weather in Petworth: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Petworth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414346495561656359544745
Data source: Temperature data for Petworth generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Petworth

January in Petworth, United Kingdom, sees moderate precipitation with an average of 52 mm (2.0 inches), typically spread over 9 days. This sets the tone for the wet winter months, as rainfall gradually increases through February and March, peaking considerably by October with a notable 90 mm (3.6 inches). Interestingly, while January experiences a decent amount of rain, it tends to have fewer rainy days compared to the wetter months later in the year, such as December, which records the highest precipitation at 94 mm (3.7 inches) over 15 days. This pattern suggests that while January is certainly part of the rainy season, it remains less frequent in rainfall occurrences relative to the late autumn and winter months, hinting at a shift towards heavier and more frequent rain as the year progresses.

January Precipitation Trends in Petworth

The chart displays monthly precipitation patterns in Petworth, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec525657346172586648906394
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Petworth

In January, Petworth experiences its highest humidity of the year at a remarkable 91%, setting the tone for a winter marked by damp and chilly conditions. This high humidity gradually decreases as the month progresses into February, where it dips slightly to 89%. The trend continues, showcasing a steady decline through March and April, ultimately reaching a more comfortable 85% in April. As spring arrives, humidity levels drop further, hitting their lowest point in July at 71%, before gradually climbing again through late summer and autumn. By October, humidity rises sharply to 90%, a precursor to the winter months where humidity spikes back up to 92% in both November and December. This cyclical pattern highlights Petworth's characteristic wet winters and milder summer humidity, offering a glimpse into the region's climate dynamics.

January Average Humidity in Petworth

This chart illustrates the average monthly humidity levels in Petworth, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Petworth

In Petworth, January brings a UV Index of 1, indicating a low exposure risk, where the skin can take about 45 minutes before burning. This sets the tone for the first month of the year, with minimal sun protection needed. However, as we transition into February, the UV Index slightly increases to 2, maintaining the same low burn time. The real shift occurs in March, when the UV Index jumps to 4, signaling a move to moderate exposure and a reduction in burn time to 30 minutes. As spring progresses into April and May, the UV Index continues to climb, peaking at 8 during the summer months of June and July, categorizing it as very high with only 15 minutes of safe sun exposure. This trend gradually tapers off into the fall, with September and October seeing a return to high and moderate levels, respectively. By November and December, Petworth settles back into a low UV landscape with an index of 2 and 1, where the skin can again endure around 45 minutes of sun. For a comprehensive overview, check out Petworth UV Index.

Maximum UV Index Levels in Petworth for January

The chart shows the monthly maximum UV Index (UVI) for Petworth in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Petworth January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Petworth

January in Petworth, United Kingdom, starts off with a modest 99 hours of sunshine, marking the year with a sense of hibernation as winter lingers. However, as the days progress into February, there’s a noticeable uplift to 148 hours, hinting at the gradual arrival of spring. By March, the sun continues to reclaim its presence with 209 hours, invigorating both nature and spirits. The most dramatic expansion comes in April and May, where sunshine leaps to 326 hours and 405 hours, respectively, showcasing a vibrant transition and an awakening landscape. Although June and July maintain this brightness with 396 and 408 hours, August begins a gentle decline at 375 hours. As autumn approaches, September sees 309 hours of sunshine, slowly giving way to the shorter days of October with 244 hours. November and December close the year on a quieter note, with 149 and 112 hours, respectively, as Petworth braced itself for winter once more. This rhythm of light not only marks the changing seasons but also shapes the community's connection to nature throughout the year.

Monthly Sunshine Duration in Petworth: January Highlighted

The January sunshine duration represents the total number of hours Petworth experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec99h148h209h326h405h396h408h375h309h244h149h112h
Data source: Petworth January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Petworth During January

In Petworth, January ushers in the year with a modest 22% chance of sunny weather, making it one of the cloudier months of the year. This trend of limited sunshine continues into December, which has a slightly lower probability at 21%, indicating that the winter months tend to be gray and rainy. As the year progresses, there is a noticeable increase in sunshine likelihood, particularly in spring; by April, the chance of sun jumps dramatically to 55%, highlighting a welcomed transition toward brighter days. Overall, while January may be lacking in sunlight, the arrival of February brings a slight improvement, and just around the corner, spring's vibrant days await.

Percentage of Sunny Days in January in Petworth

The chart illustrates the percentage of sunny days in Petworth throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Petworth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%27%36%55%38%29%40%30%33%29%36%21%
Data source: Petworth January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Petworth in January

In January, Petworth greets the year with a modest 8 hours of daylight. As winter gives way to spring, daylight gradually increases, reaching 10 hours in February and climbing to 11 hours by March. By April, the days grow longer, offering a delightful 13 hours of sunlight, which peaks at 16 hours in June — the height of summer. As the seasons transition, daylight hours begin to wane, with 15 hours in July and 14 hours in August, before tapering off to 12 hours in September. By the time autumn settles in, the daylight diminishes again, culminating in 8 hours in November and a mere 7 hours in December, as Petworth prepares to embrace the cozy charm of winter once more. This cyclical pattern showcases the diverse beauty of each season, inviting both residents and visitors to experience the unique ambiance throughout the year.

Average Daylight Hours in Petworth for January

The chart illustrates the variation in daylight duration in Petworth throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 28m10h 1m11h 55m13h 52m15h 33m16h 26m15h 58m14h 27m12h 34m10h 38m8h 54m7h 59m
Data source: Petworth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Petworth

In January, Petworth feels the brisk embrace of winter winds, with an average speed of 4.8 m/s (11 mph), setting a tone that lingers throughout the season. As the months progress, February nudges slightly higher at 5.3 m/s (12 mph), bringing a hint of vigor before the winds ease in March and May, both settling back to 4.7 m/s (11 mph). April’s gentle breeze drops to 3.7 m/s (8 mph), signaling a transition toward milder spring days. The summer months witness the calmest conditions, particularly in June, with winds at just 3.2 m/s (7 mph). However, as autumn approaches, the winds pick up again, culminating in a return to 4.8 m/s (11 mph) by October and December, bookending the year with the familiar chill of January. Overall, the trend reveals a dynamic wind pattern that dances with the seasons, maintaining a spirited character while also offering moments of serene stillness.

Average January Wind Speed in Petworth

The chart displays monthly wind speed patterns in Petworth, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.8 m/s5.34.73.74.73.23.64.13.64.84.04.8
Data source: Petworth January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Petworth Compares to Other Months

The weather in Petworth changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Petworth and find detailed weather information for every month.

In January, the weather tends to be quite chilly, with average temperatures ranging from a low of -4°C (25°F) to a high of 14°C (57°F). The month experiences about 52 mm (2.0 in) of precipitation over approximately 9 days, coupled with a high humidity level of 91%. In contrast, February shows a slight increase in overall warmth, with average temperatures ranging from a minimum of -5°C (23°F) to a maximum of 16°C (61°F). Precipitation also rises slightly to 56 mm (2.2 in), occurring over 11 days, while humidity remains relatively high at 89%. For more specific weather insights for February, you can check out Petworth weather in February.

In January, the weather tends to be colder with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), while March sees slightly warmer averages with a minimum of -6°C (22°F) and a maximum of 19°C (66°F). January experiences about 52 mm (2.0 in) of precipitation over 9 days, compared to March, which has a bit more rainfall at 57 mm (2.2 in) across 13 days. Humidity levels are relatively high in both months, but January is slightly more humid at 91% compared to March's 86%. For more specific details, you can check Petworth weather in March.

When comparing January and April weather, it's clear that April sees a notable shift towards milder temperatures. In January, the temperatures range from a cold minimum of -4°C (25°F) to a maximum of 14°C (57°F), averaging around 5°C (42°F). The month also experiences significant humidity at 91% and receives 52 mm (2.0 in) of precipitation over nine days. In contrast, April offers a more temperate climate, with minimum temperatures around -2°C (29°F) and a pleasant average of 10°C (49°F), peaking at 23°C (74°F). This month is relatively drier, with only 34 mm (1.3 in) of precipitation occurring over eight days, accompanied by a slightly lower humidity level of 85%. For more detailed information, you can visit Petworth weather in April.

In January, the weather is quite chilly, with temperatures ranging from a brisk -4°C (25°F) to a mild 14°C (57°F) and an average of 5°C (42°F). Precipitation occurs on about 9 days, totaling 52 mm (2.0 in) and contributing to a high humidity level of 91%. In contrast, May offers a more temperate climate, with temperatures increasing significantly; the minimum is 1°C (34°F), but it can reach as high as 25°C (77°F) and averages around 13°C (55°F). Though May experiences slightly more precipitation at 61 mm (2.4 in) over 10 days, the humidity decreases to 79%, making the weather feel much more pleasant. For more details, you can check Petworth weather in May.

January and June present stark contrasts in weather conditions. In January, temperatures range from a chilly minimum of -4°C (25°F) to a max of 14°C (57°F), with an average of 5°C (42°F). The month experiences significant humidity at 91% and receives about 52 mm (2.0 in) of precipitation over 9 days. In contrast, June enjoys warmer temperatures, with a minimum of 7°C (45°F), an average of 16°C (61°F), and a high of 30°C (85°F). Although June has a slightly higher total precipitation of 72 mm (2.8 in) over just 8 days, the humidity is lower at 80%. For a more detailed look at weather specifics, check out Petworth weather in June.

January and July present a stark contrast in weather conditions. In January, temperatures are quite chilly, ranging from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), with an average of around 5°C (42°F). The month experiences high humidity at 91% and sees 9 days of precipitation, totaling 52 mm (2.0 in). In contrast, July boasts much warmer temperatures, with a minimum of 9°C (48°F), an average of 18°C (65°F), and highs reaching up to 32°C (90°F). The humidity drops to 71%, and rainfall increases slightly, with 10 days of precipitation amounting to 58 mm (2.3 in). For more information, check out Petworth weather in July.

In January, the weather is characterized by chilly temperatures, with a minimum of -4°C (25°F) and an average of 5°C (42°F), peaking at a mild 14°C (57°F). This winter month sees about 52 mm (2.0 in) of precipitation over 9 days, coupled with a high humidity of 91%. In contrast, August brings a much warmer climate, where temperatures range from a low of 8°C (46°F) to a comfortable average of 17°C (64°F), reaching a maximum of 32°C (89°F). Precipitation increases slightly to 66 mm (2.6 in) over 10 days, but humidity decreases to a more pleasant 76%. For more detailed information, you can explore Petworth weather in August.

The weather in January is noticeably colder compared to September, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), while September sees milder temperatures from a minimum of 3°C (37°F) to a maximum of 27°C (81°F). Precipitation levels are similar in both months, with January experiencing 52 mm (2.0 in) and September slightly lower at 48 mm (1.9 in), both typically seeing rain on about nine days. The humidity is higher in January at 91%, compared to September's 82%, which contributes to the chilly feel of winter versus the more temperate September atmosphere. For a detailed look at September conditions, check out Petworth weather in September.

January and October present quite contrasting weather patterns. In January, temperatures typically range from a chilly -4°C (25°F) to a mild 14°C (57°F), with an average of 5°C (42°F), accompanied by high humidity at 91%. The month experiences about 52 mm (2.0 in) of precipitation over roughly 9 days. In contrast, October has a warmer temperature range, with lows around 2°C (35°F) and highs reaching 21°C (70°F), resulting in an average temperature of 12°C (54°F). Precipitation is higher at 90 mm (3.6 in) across approximately 13 days, while humidity remains similar, hovering around 90%. For more details, check out Petworth weather in October.

In January, temperatures typically range from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), with an average of 5°C (42°F). The month sees about 52 mm (2.0 in) of precipitation over approximately 9 days, and the humidity is quite high at 91%. In contrast, November experiences slightly milder conditions, with minimums around -1°C (30°F) and maximums reaching 16°C (62°F), averaging at 8°C (47°F). There is also more precipitation in November, totaling 63 mm (2.5 in) over 12 days, with humidity levels just slightly higher at 92%. For more detailed insights on November weather, you can check Petworth weather in November.

In January, temperatures in Petworth typically range from a minimum of -4°C (25°F) to a maximum of 14°C (57°F), with an average temperature of 5°C (42°F). The month sees about 52 mm (2.0 in) of precipitation over approximately 9 days, accompanied by a humidity level of 91%. In contrast, December features slightly milder temperatures, with a minimum of -3°C (27°F) and a maximum of 14°C (58°F), resulting in an average of 7°C (45°F). December is also wetter, receiving 94 mm (3.7 in) of rainfall over 15 days, and maintains a similar humidity level at 92%. For more details on December's weather, you can visit Petworth weather in December.

Compare Petworth's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Petworth

As January unfolds in Petworth, the weather stands in stark contrast to the milder months, bringing a chill that’s unmistakable. With temperatures fluctuating from chilly lows to moderate highs, the air is often crisp and infused with a significant dose of humidity. The month sees an average of rainy days, contributing to the wintery atmosphere that distinguishes January from the more temperate seasons. While other months may bask in warmth or dryness, January invites residents and visitors alike to embrace the unique beauty of winter. For a deeper look at what to expect, explore Petworth Climate.